Home / 887,565.15-1,331,347.73-326,818.35

Finding the Fourth Proportional to 887,565.15, 1,331,347.73 and 326,818.35

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Solution

The fourth proportional to 887,565.15, 1,331,347.73 and 326,818.35 is: 490,227.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,565.15 : 1,331,347.73 = 326,818.35 : x
  2. Step 2: Convert to fraction form
    887,565.15/1,331,347.73 = 326,818.35/x
  3. Step 3: Cross multiply
    887,565.15x = 1,331,347.73 × 326,818.35
  4. Step 4: Simplify right side
    887,565.15x = 435,108,866,760.75
  5. Step 5: Solve for x
    x = 435,108,866,760.75/887,565.15
  6. Step 6: Final answer
    x = 490,227.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.